Feature request: Option to disable Merge Request prompts for specified branches

I've a project with a "build" branch that's pushed to by a bot. Occasionally I need to push changes to the branch myself, and when I do I see the prompt on my dashboard to create a Merge Request. It would be good if I could disable this prompt, so there's no risk of accidentally using it (I really don't want my "build" branch merged into "master"!).